Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.890055E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T21:49:59+0800
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    1 Object 1

    AOE ID 56155
    NORAD ID 56155
    Object Type UNKNOWN
    Country
    CN CN
    ← VS →

    2 Object 2

    Name YAM-9
    AOE ID 66694
    NORAD ID 66694
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter OBJECT C YAM-9
    Time of Closest Approach 2026-10-23T02:28:14+0000
    Collision Probability (Pc) 1.890055E-4
    Conjunction Distance (km) 0.499 km
    Relative Speed (km/s) 12.771 km/s
    Conjunction Risk Parameters R (Radial): 0.283 | I (In-track): 0.22 | C (Cross-track): -0.346
    Collision Risk Index (CRI) 0.81
    X Position (km) 1478.904 1478.778
    Position Y (km) -729.509 -729.904
    Position Z (km) 6692.312 6692.587
    Velocity X (km/s) 3.71 -7.388
    Velocity Y (km/s) -6.46 -0.925
    Velocity Z (km/s) -1.521 1.525

    Orbital Parameters 国际轨道数据源

    Parameter OBJECT C YAM-9
    Semimajor Axis (a) 6901.234 km 6896.015 km
    Eccentricity (e) 0.000217 0.000746
    Inclination (i) 97.5026° 97.4095°
    RAAN 118.9172° 3.7268°
    Perigee Argument 99.5418° 226.0012°
    Mean Anomaly (M) 260.6059° 134.0607°
    Apogee 524.595 km 523.024 km
    Perigee 521.599 km 512.732 km
    Orbit Epoch 2026-10-20T13:45:37+0000 2026-10-21T04:11:16+0000

    OBJECT C & YAM-9 Collision Probability (Pc) Trend

    OBJECT C & YAM-9 Collision Probability (Pc) TrendNot Available

    OBJECT C & YAM-9 Miss Distance (Miss Distance) Trend

    OBJECT C & YAM-9 Miss Distance (Miss Distance) TrendNot Available

    OBJECT CMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAM-9Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OBJECT CCollision Probability Trend

    Object 1 Probability TrendNot Available

    YAM-9Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OBJECT C

    No nearby objects data